Debian dir from branch

Because of impossible merge conflicts, just copying the files

debian/control

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+Source: relational
+Section: math
+Priority: optional
+Maintainer: Salvo 'LtWorf' Tomaselli <tiposchi@tiscali.it>
+Build-Depends: debhelper (>= 10), python3, dh-python, python3-xtermcolor, pyqt5-dev-tools,
+ python3-distutils
+Standards-Version: 4.0.1
+X-Python3-Version: >= 3.4
+Homepage: http://ltworf.github.io/relational/
+
+Package: python3-relational
+Architecture: all
+Section: python
+Depends: ${misc:Depends}, ${python3:Depends}
+Description: Educational tool for relational algebra (standalone module)
+ Relational is primarily a tool to provide a workspace for experimenting with
+ relational algebra, an offshoot of first-order logic.
+ .
+ This package provides a standalone Python module that can be used for
+ executing relational queries.
+
+Package: relational
+Architecture: all
+Depends: ${misc:Depends}, ${python3:Depends}, python3-relational (>= ${binary:Version}), python3-pyqt5
+Description: Educational tool for relational algebra (graphical user interface)
+ Relational is primarily a tool to provide a workspace for experimenting with
+ relational algebra, an offshoot of first-order logic.
+ .
+ This package provides a graphical user interface that can be used to
+ execute relational queries.
+
+Package: relational-cli
+Architecture: all
+Depends: ${misc:Depends}, ${python3:Depends}, python3-relational (>= ${binary:Version}),
+ python3-xtermcolor
+Description: Educational tool for relational algebra (command line interface)
+ Relational is primarily a tool to provide a workspace for experimenting with
+ relational algebra, an offshoot of first-order logic.
+ .
+ This package provides a command line interface that can be used to
+ execute relational queries.